static bool DoAssert(string message) {
if (!s_assert) {
return false;
}
// Skip 2 frames - one for this function, one for
// the public Assert function that called this function.
StackFrame frame = new StackFrame(2, true);
StackTrace trace = new StackTrace(2, true);
string fileName = frame.GetFileName();
int lineNumber = frame.GetFileLineNumber();
string traceFormat;
if (!string.IsNullOrEmpty(fileName)) {
traceFormat = "ASSERTION FAILED: {0}\nFile: {1}:{2}\nStack trace:\n{3}";
}
else {
traceFormat = "ASSERTION FAILED: {0}\nStack trace:\n{3}";
}
string traceMessage = string.Format(CultureInfo.InvariantCulture, traceFormat, message, fileName, lineNumber, trace.ToString());
if (!TraceBreak(TAG_ASSERT, traceMessage, null, true)) {
// If the value of "Assert" is not TagValue.Break, then don't even ask user.
return false;
}
if (s_assertBreak) {
// If "AssertBreak" is enabled, then always break.
return true;
}
string dialogFormat;
if (!string.IsNullOrEmpty(fileName)) {
dialogFormat =
@"Failed expression: {0}
File: {1}:{2}
Component: {3}
PID={4} TID={5}
Stack trace:
{6}
A=Exit process R=Debug I=Continue";
}
else {
dialogFormat =
@"Failed expression: {0}
(no file information available)
Component: {3}
PID={4} TID={5}
Stack trace:
{6}
A=Exit process R=Debug I=Continue";
}
string dialogMessage = string.Format(
CultureInfo.InvariantCulture,
dialogFormat,
message,
fileName, lineNumber,
COMPONENT,
NativeMethods.GetCurrentProcessId(), NativeMethods.GetCurrentThreadId(),
trace.ToString());
MBResult mbResult = new MBResult();
Thread thread = new Thread(
delegate() {
for (int i = 0; i < 100; i++) {
NativeMethods.MSG msg = new NativeMethods.MSG();
NativeMethods.PeekMessage(ref msg, new HandleRef(mbResult, IntPtr.Zero), 0, 0, NativeMethods.PM_REMOVE);
}
mbResult.Result = NativeMethods.MessageBox(new HandleRef(mbResult, IntPtr.Zero), dialogMessage, PRODUCT + " Assertion",
NativeMethods.MB_SERVICE_NOTIFICATION |
NativeMethods.MB_TOPMOST |
NativeMethods.MB_ABORTRETRYIGNORE |
NativeMethods.MB_ICONEXCLAMATION);
}
);
thread.Start();
thread.Join();
if (mbResult.Result == NativeMethods.IDABORT) {
IntPtr currentProcess = NativeMethods.GetCurrentProcess();
NativeMethods.TerminateProcess(new HandleRef(mbResult, currentProcess), 1);
}
return mbResult.Result == NativeMethods.IDRETRY;
}
private void WindowThreadProc() {
try {
Initialize();
eventWindowReady.Set();
if (windowHandle != IntPtr.Zero) {
NativeMethods.MSG msg = new NativeMethods.MSG();
bool keepRunning = true;
// Blocking on a GetMessage() call prevents the EE from being able to unwind
// this thread properly (e.g. during AppDomainUnload). So, we use PeekMessage()
// and sleep so we always block in managed code instead.
//
while (keepRunning) {
int ret = UnsafeNativeMethods.MsgWaitForMultipleObjectsEx(0, IntPtr.Zero, 100, NativeMethods.QS_ALLINPUT, NativeMethods.MWMO_INPUTAVAILABLE);
if (ret == NativeMethods.WAIT_TIMEOUT) {
Thread.Sleep(1);
}
else {
while (UnsafeNativeMethods.PeekMessage(ref msg, NativeMethods.NullHandleRef, 0, 0, NativeMethods.PM_REMOVE))
{
if (msg.message == NativeMethods.WM_QUIT) {
keepRunning = false;
break;
}
UnsafeNativeMethods.TranslateMessage(ref msg);
UnsafeNativeMethods.DispatchMessage(ref msg);
}
}
}
}
OnShutdown(OnEventsThreadShutdownEvent);
}
catch (Exception e) {
// In case something very very wrong happend during the creation action.
// This will unblock the calling thread.
//
eventWindowReady.Set();
if (!((e is ThreadInterruptedException) || (e is ThreadAbortException))) {
Debug.Fail("Unexpected thread exception in system events window thread proc", e.ToString());
}
}
Dispose();
if (eventThreadTerminated != null) {
eventThreadTerminated.Set();
}
}
